IBM 7979B1U User Manual - Page 27
CD/DVD, drive, activity, release, latches, Attention, Power-cord, connector, power, supply, Systems-
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Rear view CD/DVD drive activity LED: When this LED is lit, it indicates that the CD-RW/DVD drive is in use. Rack release latches: Press these latches to release the server from the rack. The following illustration shows the connectors and LEDs on the rear of the server. Attention: In a dc power environment, see the documentation that comes with the dc power supply for information about the power-supply LEDs. AC power LED DC power LED Power-cord connector Power-supply filler panel Systems-management Ethernet connector Ethernet activity LEDs Ethernet link LEDs Power supply 1 SAS Serial connector connector USB 1 USB 3 Ethernet 1 connector connector connector Power-on LED Video Ethernet 2 USB 4 System-locator LED connector connector connector System-error LED USB 2 connector Power-cord connector (ac power supply only): Connect the power cord to this connector. Attention: In a dc power environment, only trained service personnel other than IBM service technicians are authorized to connect or disconnect power to the dc power supply. See the documentation that comes with each dc power supply. AC power LED: Each hot-swap power supply has an ac power LED and a dc power LED. When the ac power LED is lit, it indicates that sufficient power is coming into the power supply through the power cord. During typical operation, both the ac and dc power LEDs are lit. For any other combination of LEDs, see the Problem Determination and Service Guide on the IBM System x Documentation CD. DC power LED: Each hot-swap power supply has a dc power LED and an ac power LED. When the dc power LED is lit, it indicates that the power supply is supplying adequate dc power to the system. During typical operation, both the ac and dc power LEDs are lit. For any other combination of LEDs, see the Problem Determination and Service Guide on the IBM System x Documentation CD. Systems-management Ethernet connector: Use this connector to connect the server to a network for systems-management information control. This connector is active only if you have installed a Remote Supervisor Adapter II SlimLine, and it is used only by the Remote Supervisor Adapter II SlimLine. Ethernet activity LEDs: When these LEDs are lit, they indicate that the server is transmitting to or receiving signals from the Ethernet LAN that is connected to the Ethernet port. Chapter 1. The System x3650 Type 7979 server 11